CN220184877U - Carriage bucket roller shutter cover lock - Google Patents

Abstract

The utility model relates to a carriage curtain cover lock which comprises a lock frame, a lock control module, side lock modules and a lower lock module, wherein the lock control module is fixed in the middle of the lock frame, the side lock modules are fixed on two sides of the lock frame, the lower lock modules are fixed on two sides of the lower end of the lock frame, the lock control module is connected with the side lock modules and the lower lock modules through a inhaul cable control, a lock cylinder in the lock control module is connected with a lock cylinder tongue, a rotary rod and a pull handle are fixed on an unlocking rotating shaft, a main disc and an auxiliary disc are rotatably arranged on the outer side of a lock seat, a rotary tongue in a rotary tongue mechanism is in axial sliding fit with the rotary pin, a sliding push piece on the rotary tongue is matched with the lock cylinder tongue, and a hinged push plate is matched with the rotary rod and the main disc. Through the specific design, the side lock module and the lower lock module can be uniformly controlled by the lock control module through the inhaul cable, are intensively opened, and the lock cylinder also controls the effectiveness of the handle operation, so that the handle locking effect is achieved, and the locking device has the advantages of simple and compact structure, stable locking, convenience in operation and control and high reliability.

Description

Carriage bucket roller shutter cover lock

Technical Field

The utility model relates to a lock for a rolling shutter cover of a carriage bucket.

Background

The existing carriage bucket of the minivan or the pick-up truck can be provided with the movable roller shutter for protection and covering, under the condition of lack of protection, articles are easy to drop when the automobile runs and jolts, and the carriage bucket cannot be waterproof, sun-proof and dust-proof, and also has an anti-theft function after the movable roller shutter is locked, but the structure of the existing cover lock matched with the movable roller shutter is complex, the operation is complex, the reliability is low, the service life is short, and the locking mechanism at each position of the carriage bucket is difficult to control and open in a centralized and unified manner.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide the carriage hopper roller shutter cover lock which has the advantages of compact structure, convenience in operation, stable locking and high reliability.

The technical scheme adopted for solving the technical problems is as follows: the lock comprises a lock frame, a lock control module, a side lock module and a lower lock module, wherein the lock control module is fixed in the middle of the lock frame, the side lock modules are fixed on two sides of the lock frame, the lower lock modules are fixed on two sides of the lower end of the lock frame, the lock control module is connected with the side lock modules and the lower lock modules through a inhaul cable control, the lock control module comprises a lock shell and a lock seat which are connected, a lock cylinder penetrates through the lock shell and the lock seat, the lower end of the lock cylinder is in transmission connection with a lock cylinder tongue outside the lock seat, an unlocking rotating shaft is arranged in a cavity formed by the lock shell and the lock seat, a first reset torsion spring is sleeved on the unlocking rotating shaft and fixes a rotary rod and a pull handle, the pull handle is arranged outside the lock shell, a main disc and an auxiliary disc are rotatably installed on the outer side of the lock seat in a linkage manner, two opposite ends of the main disc and the auxiliary disc are respectively connected with the inhaul cable, a rotating tongue mechanism is further arranged outside the lock seat, the rotating tongue mechanism comprises a rotating pin, a rotating tongue and a second reset torsion spring, the rotating tongue and the rotating pin are in axial sliding fit, a sliding push plate and a hinge plate which are arranged in a crossed manner, and the sliding push plate are matched with the rotary rod and the push rod.

The lower part lock module includes apron and the lock pedestal that dock mutually, lower interface groove has been seted up to the lateral part of lock pedestal, fixed first fixed axle and the second fixed axle of setting in the lock pedestal, install ratchet locking plate and third reset torsional spring on the first fixed axle, be equipped with location ratchet and hook locking groove on the ratchet locking plate, hook locking groove is crossed with lower interface groove under the rotation state, install locating pawl and fourth reset torsional spring on the second fixed axle, be equipped with the pull joint on the locating pawl, the body of pull joint and locating pawl becomes the kink setting, be equipped with the opening on the apron, the pull joint stretches out outside the opening, the main part is connected with the pull joint to the cable.

The side lock module comprises a lock body, a lock tongue and a lock tongue reset spring, wherein the lock body is fixedly arranged at the side end of a lock frame, a lock tongue sliding groove is formed in the lock frame, a baffle column is arranged at one end of the lock tongue sliding groove, two elastic pins are arranged on the lock tongue in parallel, the end parts of the elastic pins form positioning protrusions, the lock tongue reset spring is arranged between the two elastic pins and is inserted into the lock tongue sliding groove in a lump and positioned by the positioning protrusions, one end of the lock tongue reset spring is matched with the baffle column, a dragline penetrates through the lock tongue reset spring to connect the lock tongue with an auxiliary disc, an unlocking accessory is connected to the auxiliary disc, and the unlocking accessory can drive the auxiliary disc to rotate.

The bottom of the main disc is coaxially fixed with a support, a support plate is fixedly arranged on the lock seat, and the rotating tongue mechanism is arranged between the support and the support plate.

The lock core tongue is provided with two pushing and pressing rods which are arranged in a crossing way, the main disc is provided with a linkage groove, the auxiliary disc is provided with a linkage rod, and the linkage rod is inserted into the linkage groove to form linkage fit.

The main disc and the auxiliary disc are respectively provided with a clamping groove, the end part of the inhaul cable is fixedly connected with the clamping grooves, the lock shell is provided with a concave part, and the pull handle is arranged in the concave part.

The lock seat is internally and fixedly provided with a positioning column, two spring feet of a third reset torsion spring are respectively fixed on the ratchet locking plate and the positioning column, and two spring feet of a fourth reset torsion spring are respectively fixed on the positioning pawl and the side wall of the lock seat.

The positioning ratchet on the ratchet locking plate is divided into three gears, namely a full-open gear, a half-locking gear and a full-locking gear.

An upper interface groove is arranged on the cover plate, and the upper interface groove and the lower interface groove are installed in a matched mode.

Through the specific design, the side lock module and the lower lock module can be controlled by the lock control module in a unified mode through the inhaul cable, the lock core can be opened in a centralized mode, the effectiveness of the operation of the pull handle is controlled by the lock core, the effect of locking the pull handle is achieved, and the locking device has the advantages of being simple and compact in structure, stable in locking, convenient to operate and control, high in reliability and long in service life.

Drawings

In order to more clearly illustrate the technical solution of the embodiments of the present utility model, the drawings that are required to be used in the embodiments of the present utility model will be briefly described below. It is evident that the drawings described below are only some embodiments of the present utility model and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.

Fig. 1 is a schematic view of an exploded structure of the present utility model.

Fig. 2 is a schematic view of the assembled structure of the present utility model.

Fig. 3 is a cross-sectional view A-A of fig. 2.

FIG. 4 is a schematic diagram showing an exploded structure of the lock control module according to the present utility model

Fig. 5 is a schematic view of an assembled structure of the lock control module when the pull handle is locked.

Fig. 6 is a B-B cross-sectional view of fig. 5.

Fig. 7 is a state diagram of the pull handle of fig. 6 when pulled up.

Fig. 8 is a schematic diagram of an assembled structure of the lock control module when the pull handle is unlocked.

Fig. 9 is a C-C cross-sectional view of fig. 8.

Fig. 10 is a state diagram of the pull handle of fig. 9 when pulled up.

FIG. 11 is a schematic view of an assembled structure of a side lock module according to the present utility model

Fig. 12 is a schematic view showing an exploded structure of the lower lock module in the present utility model.

Fig. 13 is a schematic view of an assembled structure of the lower lock module in a fully opened state.

FIG. 14 is a schematic view of the assembly structure of the lower lock module in the locked state.

Fig. 15 is a schematic view of an assembled structure of the lower lock module in a fully locked state.

In the figure: lock frame 1, lock control module 2, lock case 201, lock base 202, lock cylinder 203, lock cylinder tongue 204, unlocking shaft 205, first reset torsion spring 206, spinning lever 207, spanner handle 208, main plate 209, auxiliary plate 210, rotating tongue mechanism 211, bracket 212, fulcrum 213, rotating pin 214, rotating tongue 215, second reset torsion spring 216, hinge push plate 217, slide push plate 218, push rod 219, interlocking groove 220, interlocking lever 221, card slot 222, recess 223, bearing 224, flat plate 225, side lock module 3, lock body 301, lock tongue 302, lock tongue return spring 303, lock tongue chute 304, stopper post 305, elastic pin 306, positioning boss 307, lower lock module 4, cover plate 401, lock base 402, lower interface slot 403, first fixed shaft 404, second fixed shaft 405, third reset torsion spring 406, ratchet lock tab 407, positioning ratchet 408, full open tooth 408a, half lock tooth 408b, full lock tooth 408c, hook lock slot 409, positioning pawl 410, fourth reset torsion spring 411, pull tab 412, opening 413, positioning tab 415, lock tongue 415, upper interface 415, 7, and lock tongue 5.

Description of the embodiments

The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings.

Wherein the drawings are for illustrative purposes only and are shown in schematic, non-physical, and not intended to be limiting of the present patent; for the purpose of better illustrating embodiments of the utility model, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the size of the actual product; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numbers in the drawings of embodiments of the utility model correspond to the same or similar components; in the description of the present utility model, it should be understood that, if the terms "upper", "lower", "left", "right", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, only for convenience in describing the present utility model and simplifying the description, rather than indicating or implying that the apparatus or elements being referred to must have a specific orientation, be constructed and operated in a specific orientation, so that the terms describing the positional relationships in the drawings are merely for exemplary illustration and should not be construed as limiting the present patent, and that the specific meaning of the terms described above may be understood by those of ordinary skill in the art according to specific circumstances.

In the description of the present utility model, unless explicitly stated and limited otherwise, the term "coupled" or the like should be interpreted broadly, as it may be fixedly coupled, detachably coupled, or integrally formed, as indicating the relationship of components; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between the two parts or interaction relationship between the two parts. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in the figure, the utility model comprises a lock frame 1, a lock control module 2, a side lock module 3 and a lower lock module 4, wherein the lock control module 2 is fixed in the middle of the lock frame 1, the side lock module 3 is fixed at two sides of the lock frame 1, the lower lock module 4 is fixed at two sides of the lower end of the lock frame 1, the lock control module 2 is controlled by a guy cable 5 to connect the side lock module 3 and the lower lock module 4, the lock control module 2 comprises a lock shell 201 and a lock seat 202 which are connected, a lock cylinder 203 passes through the lock shell 201 and the lock seat 202, the lower end of the lock cylinder 203 is in transmission connection with a lock cylinder tongue 204 at the outer side of the lock seat 202, and two pushing rods 219 which are arranged in a crossed manner are arranged on the lock cylinder tongue 204. An unlocking rotating shaft 205 is arranged in a cavity formed by the lock shell 201 and the lock seat 202, a first reset torsion spring 206 is sleeved on the unlocking rotating shaft 205, a spinning rod 207 and a pull handle 208 are fixed, the pull handle 208 is arranged on the outer side of the lock shell 201, the unlocking rotating shaft 205 and the spinning rod 207 rotate together when the pull handle 208 is pulled, and after the pull handle 208 is released, the unlocking rotating shaft 205, the spinning rod 207 and the pull handle 208 are reset by the first reset torsion spring 206. A recess 223 is provided on the lock case 201, and the trigger 208 is installed in the recess 223. A main disc 209 and an auxiliary disc 210 are rotatably installed at the outer side of the lock base 202, and the main disc 209 and the auxiliary disc 210 may be installed on a pin fixedly provided at the outer side of the lock base 202 through a bearing 224. The linking design between the main disc 209 and the auxiliary disc 210, that is, the auxiliary disc 210 rotates along with the main disc 209 when the main disc 209 rotates, may be specifically designed such that the main disc 209 is provided with a linking slot 220, the auxiliary disc 210 is provided with a linking rod 221, and the linking rod 221 is inserted into the linking slot 220 to form linking fit, which is not limited to this specific scheme. The main disk 209 and the auxiliary disk 210 are respectively connected with the stay cable 5 in opposite directions at two opposite ends, the main disk 209 and the auxiliary disk 210 are respectively provided with a clamping groove 222, and the end part of the stay cable 5 is fixedly connected with the clamping groove 222. In this embodiment, the main tray 209 is designed as a special-shaped four corners, wherein two opposite corners are respectively provided with a clamping groove 222, one corner is provided with a linkage groove 220, and the other corner can form a flat plate 225 to be matched with the hinged push plate 217. The outer side of the lock seat 202 is also provided with a rotating tongue mechanism 211, the rotating tongue mechanism 211 comprises a rotating pin 214, a rotating tongue 215 and a second reset torsion spring 216, the rotating tongue 215 and the rotating pin 214 are axially in sliding fit, the rotating tongue 215 is provided with a sliding push plate 218 and a hinged push plate 217 which are arranged in a crossed mode, the sliding push plate 218 is matched with the lock cylinder tongue 204, and the hinged push plate 217 is matched with the spinning rod 207 and the main disc 209. The bottom of the main disk 209 is coaxially fixed with a bracket 212, a support plate 213 is fixedly arranged on the lock base 202, and the rotating tongue mechanism 211 is arranged between the bracket 212 and the support plate 213. The side lock module 3 comprises a lock body 301, a lock tongue 302 and a lock tongue reset spring 303, wherein the lock body 301 is fixedly arranged at the side end of the lock frame 1, a lock tongue chute 304 is arranged in the lock frame 1, a baffle column 305 is arranged at one end of the lock tongue chute 304, two elastic pins 306 are arranged on the lock tongue 302 in parallel, a positioning protrusion 307 is formed at the end part of each elastic pin 306, the lock tongue reset spring 303 is arranged between the two elastic pins 306 and is inserted into the lock tongue chute 304 and positioned by the positioning protrusion 307, one end of the lock tongue reset spring 303 is matched with the baffle column 305, a guy cable 5 penetrates through the lock tongue reset spring 303 to connect the lock tongue 302 with an auxiliary disc 210, an unlocking accessory 6 is connected to the auxiliary disc 210, the unlocking accessory 6 can drive the auxiliary disc 210 to rotate, and the unlocking accessory 6 is generally externally connected with an operating mechanism, for example, the unlocking accessory 6 is enabled to act through an operating mechanism in a cab. The lower lock module 4 comprises a cover plate 401 and a lock base 402 which are in butt joint, a lower interface groove 403 is formed in the side part of the lock base 402, a first fixed shaft 404 and a second fixed shaft 405 are fixedly arranged in the lock base 402, a ratchet locking plate 407 and a third reset torsion spring 406 are arranged on the first fixed shaft 404, and reset of the ratchet locking plate 407 is controlled by the third reset torsion spring 406. The ratchet locking plate 407 is provided with a positioning ratchet 408 and a hook locking groove 409, the hook locking groove 409 is intersected with the lower interface groove 403 in a rotating state, the second fixed shaft 405 is provided with a positioning pawl 410 and a fourth reset torsion spring 411, and the reset of the positioning pawl 410 is controlled by the fourth reset torsion spring 411. The positioning claw 410 is provided with a pull joint 412, the pull joint 412 and the body of the positioning claw 410 are arranged in a bending way, the cover plate 401 is provided with an opening 413, the pull joint 412 extends out of the opening 413, and the stay cable 5 is connected with the main disc 209 and the pull joint 412. A positioning column 414 is fixedly arranged in the lock base 402, two spring legs of the third reset torsion spring 406 are respectively fixed on the ratchet locking plate 407 and the positioning column 414, and two spring legs of the fourth reset torsion spring 411 are respectively fixed on the positioning pawl 410 and the side wall of the lock base 402. The positioning ratchet 408 on the ratchet lock tab 407 is divided into three steps, namely full open tooth 408a, half lock tooth 408b and full lock tooth 408c. An upper interface slot 415 is provided on the cover plate 401, and the upper interface slot 415 and the lower interface slot 403 are matched and installed.

When the locking operation of the rolling shutter of the carriage hopper is carried out, the whole cover lock is pulled, the end of the hook locking groove 409 of the ratchet locking plate 407 only needs to strike the lock catch 7 on the carriage hopper, the hook locking groove 409 hooks the lock catch 7 to lock automatically, at the moment, the half locking teeth 408b are matched with the positioning claws 410 to be in a half locking state, the full locking teeth 408c are matched with the positioning claws 410 to be in a full locking state after striking again, and the third reset torsion spring 406 is in a compression state.

In the full lock state, the lock core 203 can push the sliding push piece 218 through the push rod 219 disposed on the lock core tongue 204, when the position of the hinged push plate 217 on the rotation tongue 215 is separated from the working range of the rotation rod 207, at this time, the pull handle 208 drives the rotation of the rotation rod 207 to idle, that is, the rotation rod 207 cannot drive the rotation tongue 15, the main disc 209 and the auxiliary disc 210 to rotate, and the pull handle 208 cannot unlock the side lock module 3 and the lower lock module 4, so as to achieve the effect of locking the pull handle 208.

During unlocking, the push rod 219 on the lock core tongue 204 is reversely pushed to push the sliding push piece 18 on the rotating tongue 215 through the key reversely rotating the lock core 203, the rotating tongue 215 axially slides along the rotating pin 214, the position of the hinged push plate 217 enters the working range of the rotating rod 207, at this time, when the pull handle 208 is pulled to drive the rotating rod 207 to rotate, the rotating rod 207 pushes the hinged push plate 217, the rotating tongue 215 integrally rotates, the hinged push plate 217 pushes the flat plate 225 to simultaneously rotate the linked main disc 209 and auxiliary disc 210 and pull the inhaul cable 5, the inhaul cable 5 pulled by the auxiliary disc 210 drives the dead bolt 302 in the side lock module 3 to retract, the dead bolt return spring 303 is in a compressed state, and when the inhaul cable 5 pulled by the main disc 209 drives the pull joint 412 in the lower lock module 4, the positioning pawl 410 rotates to be separated from the half lock teeth 408b or the full lock teeth 408c, and the ratchet locking plate 407 is reset under the action of the third reset torsion spring 406, and the positioning pawl 410 is matched with the full open teeth 408a to be in a full open state. The side lock module 3 and the lower lock module 4 can be controlled by the lock control module 2 in a unified way through the inhaul cable 5 and are opened in a concentrated way.

It should be understood that the above description is only illustrative of the preferred embodiments of the present utility model and the technical principles employed. It will be apparent to those skilled in the art that various modifications, equivalents, variations, and the like can be made to the present utility model. However, such modifications are intended to fall within the scope of the present utility model without departing from the spirit of the present utility model. In addition, some terms used in the description and claims of the present utility model are not limiting, but are merely for convenience of description.

Claims (9)

1. A rolling shutter cover lock for a carriage bucket is characterized by comprising a lock frame (1), a lock control module (2), a side lock module (3) and a lower lock module (4), wherein the lock control module (2) is fixed in the middle of the lock frame (1), the side lock module (3) is fixed at two sides of the lower end of the lock frame (1), the lower lock module (4) is fixed at two sides of the lower end of the lock frame (1), the lock control module (2) is controlled by a stay cable (5) to be connected with the side lock module (3) and the lower lock module (4), the lock control module (2) comprises a lock shell (201) and a lock seat (202) which are connected, a lock cylinder (203) passes through the lock shell (201) and the lock seat (202), the lower end of the lock cylinder (203) is in transmission connection with a lock cylinder tongue (204) at the outer side of the lock seat (202), an unlocking rotating shaft (205) is arranged in a cavity formed by the lock shell (201) and the lock seat (202), a first reset torsion spring (206) is sleeved on the unlocking shaft (205) and is fixed with a spanner (208), the spanner (208) is arranged on the lock shell (202) and can be rotatably arranged between the lock shell (201) and a main disc (209) and an auxiliary disc (209), the two opposite ends of the main disc (209) and the auxiliary disc (210) are respectively connected with the inhaul cable (5) in opposite directions, the outer side of the lock seat (202) is further provided with a rotating tongue mechanism (211), the rotating tongue mechanism (211) comprises a rotating pin (214), a rotating tongue (215) and a second reset torsion spring (216), the rotating tongue (215) and the rotating pin (214) are axially in sliding fit, the rotating tongue (215) is provided with a sliding push plate (218) and a hinging push plate (217) which are arranged in a crossed mode, the sliding push plate (218) is matched with the lock core tongue (204), and the hinging push plate (217) is matched with the spinning rod (207) and the main disc (209).

2. The car hopper roller shutter cover lock according to claim 1, wherein the lower lock module (4) comprises a cover plate (401) and a lock base (402) which are in butt joint, a lower interface groove (403) is formed in the side part of the lock base (402), a first fixed shaft (404) and a second fixed shaft (405) are fixedly arranged in the lock base (402), a ratchet locking plate (407) and a third reset torsion spring (406) are arranged on the first fixed shaft (404), a positioning ratchet (408) and a hook locking groove (409) are arranged on the ratchet locking plate (407), the hook locking groove (409) is intersected with the lower interface groove (403) in a rotating state, a positioning claw (410) and a fourth reset torsion spring (411) are arranged on the second fixed shaft (405), a pull joint (412) is arranged on the positioning claw (410) in a bending mode, an opening (413) is formed in the cover plate (401), and the pull joint (412) extends out of the opening (413), and a cable (5) is connected with a main disc (209) and the pull joint (412).

3. The car hopper roller shutter cover lock according to claim 1 or 2, wherein the side lock module (3) comprises a lock body (301), a lock tongue (302) and a lock tongue reset spring (303), the lock body (301) is fixedly arranged at the side end of the lock frame (1), a lock tongue sliding groove (304) is arranged in the lock frame (1), a baffle column (305) is arranged at one end of the lock tongue sliding groove (304), two elastic pins (306) are arranged on the lock tongue (302) in parallel, positioning protrusions (307) are formed at the ends of the elastic pins (306), the lock tongue reset spring (303) is arranged between the two elastic pins (306) and inserted into the lock tongue sliding groove (304) and positioned by the positioning protrusions (307), one end of the lock tongue reset spring (303) is matched with the baffle column (305), a pull rope (5) penetrates through the lock tongue reset spring (303) to be connected with the lock tongue (302) and an auxiliary disc (210), an unlocking accessory (6) is connected with the auxiliary disc (210), and the unlocking accessory (6) can drive the auxiliary disc (210) to rotate.

4. A car hopper roller shutter cover lock according to claim 3, characterized in that the bottom of the main disc (209) is coaxially fixed with a support (212), a support plate (213) is fixedly arranged on the lock base (202), and the rotating tongue mechanism (211) is arranged between the support (212) and the support plate (213).

5. The lock for the rolling shutter cover of the car hopper as claimed in claim 4, wherein the lock core tongue (204) is provided with two pushing rods (219) which are arranged in a crossing way, the main disc (209) is provided with a linkage groove (220), the auxiliary disc (210) is provided with a linkage rod (221), and the linkage rod (221) is inserted into the linkage groove (220) to form linkage fit.

6. The lock for the rolling shutter cover of the car hopper as claimed in claim 5, wherein the main disc (209) and the auxiliary disc (210) are respectively provided with a clamping groove (222), the end part of the guy cable (5) is fixedly connected with the clamping grooves (222), the lock shell (201) is provided with a concave part (223), and the pull handle (208) is arranged in the concave part (223).

7. The lock for a rolling shutter cover of a car hopper as claimed in claim 6, wherein a positioning column (414) is fixedly arranged in the lock base (402), two spring legs of the third reset torsion spring (406) are respectively fixed on the ratchet locking plate (407) and the positioning column (414), and two spring legs of the fourth reset torsion spring (411) are respectively fixed on the positioning claw (410) and the side wall of the lock base (402).

8. A car hopper roller shutter cover lock as claimed in claim 3 wherein the locating ratchet teeth (408) on the ratchet lock tab (407) are divided into three steps, full open teeth (408 a), half lock teeth (408 b) and full lock teeth (408 c), respectively.

9. The lock for the rolling shutter cover of the car hopper as claimed in claim 4, wherein an upper interface slot (415) is arranged on the cover plate (401), and the upper interface slot (415) and the lower interface slot (403) are matched and installed.